42846871522731 has 8 divisors (see below), whose sum is σ = 57136542136464. Its totient is φ = 28560890962080.

The previous prime is 42846871522709. The next prime is 42846871522733. The reversal of 42846871522731 is 13722517864824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42846871522731 is a prime.

It is a super-2 number, since 2×42846871522731² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42846871522733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922486176 + ... + 922532621.

It is an arithmetic number, because the mean of its divisors is an integer number (7142067767058).

Almost surely, 2^{42846871522731} is an apocalyptic number.

42846871522731 is a deficient number, since it is larger than the sum of its proper divisors (14289670613733).

42846871522731 is a wasteful number, since it uses less digits than its factorization.

42846871522731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845026541.

The product of its digits is 36126720, while the sum is 60.

The spelling of 42846871522731 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred seventy-one million, five hundred twenty-two thousand, seven hundred thirty-one".